What function do the alveoli perform?(1 point)
Responses
hold receptors for the sense of smell
hold receptors for the sense of smell
exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the air for carbon dioxide in the blood
carry oxygenated blood away from the heart
carry oxygenated blood away from the heart
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the air for carbon dioxide in the blood
Which organ of the respiratory system is located inside the lungs?(1 point)
Responses
larynx
larynx
bronchioles
bronchioles
trachea
trachea
nasopharynx
bronchioles
A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?(1 point)
Responses
the alveoli
the alveoli
the aorta
the aorta
the pulmonary vein
the pulmonary vein
the capillaries
the alveoli
What is the function of the vena cava?(1 point)
Responses
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the heart to the lungs.
It carries deoxygenated blood from the heart to the lungs.
It carries oxygenated blood from the heart to the body.
It carries oxygenated blood from the heart to the body.
It carries oxygenated blood from the lungs to the heart.